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6.8 
Configuring the Fibre Channel SCSI Devices Interface 
6.8 
Configuring the Fibre Channel SCSI Devices Interface 
To establish the SCSI device configuration the Fibre Channel Option is commanded to 
“Rescan” its three SCSI device buses. The three SCSI device channels, starting with 
Channel 0, begin scanning for SCSI devices using ascending SCSI Target Ids. After all 
three channels have been scanned, the FCO builds a SCSI device table, that it uses to 
map SCSI Targets to the host as logical devices (LUNs). 
To establish the SCSI device configuration the Fibre Channel Option is commanded to 
“Rescan” its three SCSI device buses. The three SCSI device channels, starting with 
Channel 0, begin scanning for SCSI devices using ascending SCSI Target Ids. After all 
three channels have been scanned, the FCO builds a SCSI device table, that it uses to 
map SCSI Targets to the host as logical devices (LUNs). 
  
Single Bay or one side 
of a Dual Bay Library 
C••••••Fibre•Channel 
•Device Left 
•Device Right 
 L Id Mode 0:   SOFT 
 L Loop Id 0:    nnn 
 L Topology 0:  LOOP 
 R Id Mode 0:   SOFT 
 R Loop Id 0:    nnn 
 R Topology 0:  LOOP 
C••••••Fibre•Channel 
•Device 
 Id Mode 0:     SOFT 
 Loop Id 0:      nnn 
 Topology 0:    LOOP 
  
  
  
  
Dual Bay Library 
with two FCO’s 
  
For single bay libraries or dual bay libraries with only one Fibre Channel Option in-
stalled, press the V (UP) or W (DOWN) key to move the pointer to 
Device
. Press the 
ENTER key to enter the 
Configuration\Fibre Channel\Device
 menu. 
For single bay libraries or dual bay libraries with only one Fibre Channel Option in-
stalled, press the V (UP) or W (DOWN) key to move the pointer to 
Device
. Press the 
ENTER key to enter the 
Configuration\Fibre Channel\Device
 menu. 
For dual bay libraries with two Fibre Channel Options installed, press the V (UP) or 
W
 (DOWN) key to move the pointer to either 
Device Left
 or 
Device Right
. 
The left and right orientation is as viewed from the front of the library. Press the EN-
TER key to enter the 
Configuration\Fibre Channel\Device (Left or 
Right)
 menu. 
For dual bay libraries with two Fibre Channel Options installed, press the V (UP) or 
W
 (DOWN) key to move the pointer to either 
Device Left
 or 
Device Right
. 
The left and right orientation is as viewed from the front of the library. Press the EN-
TER key to enter the 
Configuration\Fibre Channel\Device (Left or 
Right)
 menu. 
The 
Configuration\Fibre Channel\Device
 menu panels display a list of 
SCSI devices attached to the Fibre Channel Option. A TLS library with a single Fibre 
Channel Option displays the title 
CFC···········Device
. A dual-bay library 
with two Fibre Channel Options installed, displays the title 
CFC······Device 
Left
 or 
CFC·····Device
 
Right
 to correspond to the Fibre Channel Option in 
the left and right side. 
The 
Configuration\Fibre Channel\Device
 menu panels display a list of 
SCSI devices attached to the Fibre Channel Option. A TLS library with a single Fibre 
Channel Option displays the title 
CFC···········Device
. A dual-bay library 
with two Fibre Channel Options installed, displays the title 
CFC······Device 
Left
 or 
CFC·····Device
 
Right
 to correspond to the Fibre Channel Option in 
the left and right side. 
501440 Rev. G
 
FCO Type C Installation 
O Type C Installation 
6-21 
6-21